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To the Editor:
—In an article entitled "Fixation Patterns in Strabismic Amblyopia," by Paul J. Hauser and Hermann M. Burian, which appeared in the February, 1957, issue of the A. M. A. Archives of Ophthalmology, p. 254, the authors state in their introduction that the purpose of the paper is to determine the validity and limitations of the Brock test as reported by Brock and Givner in the A. M. A. Archives of Ophthalmology (47:775-786, 1952).In this article we concluded (1) that the vast majority of uniocular amblyopes fixate eccentrically and that the shift away from the center is greater the more profound the amblyopia; (2) that only about 20% of persons with uniocular amblyopia fixate along the central-fovea axis of the poor eye on occlusion of the good eye; their amblyopia is always moderate; (3) that 80% with alternating strabismus are incapable of after-image transfer, while 75% of
Givner I, Brock FW. FIXATION PATTERNS IN STRABISMIC AMBLYOPIA. AMA Arch Ophthalmol. 1957;58(4):605-606. doi:10.1001/archopht.1957.00940010623012